<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            width: 1200px;
            height: 1000px;
            background:  url(img/q1.jpg) no-repeat left top,
                                    /* url(img/q2.jpg) no-repeat right top; */
                                    /* url(img/q3.jpg) no-repeat right bottom,
                                    url(img/q4.jpg) no-repeat center; */
                        #5d75ec;
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>